/*圆头像样式*/
.round_icons{
    width: 60px;
    height: 60px;
    display: flex;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/*二级菜单*/
body {
    padding: 0;
    margin: 0;

}



ul.menu {
    padding: 0;
    list-style: none;
    width: 300px;
    font-family: 'Century Gothic';
    box-shadow: 0px 0px 25px #00000070;
    clear: both;
    display: table;
}
nav{
    height: 100%;
    width: 300px;
    background-color: #324252;

}
#photo{
    display: inline-block;
    width: 45px;
    vertical-align: top;
    overflow: hidden;
    margin-left: 15px;
    height: 45px;
    border-radius: 50%;
    margin: 30px;
}
ul.menu .list {
    font-size: 14px;
    border-bottom: 1px solid #999999;
    position: relative;
    width: 300px;
    box-sizing: border-box;
    height: 50px;
    vertical-align: sub;
    background: #3e5165;
    clear: both;
}
ul.menu .list:after {
    content: "\f107";
    font-family: FontAwesome;
    position: absolute;
    right: 17px;
    top: 17px;
    padding: 0px 5px;
    color: #fff;
}
ul.menu .list:before {
    content: '\f07b';
    font-family: FontAwesome;
    position: absolute;
    left: 17px;
    top: 17px;
    padding: 0px 5px;
    color: #fff;
}
ul.menu .list a {
    text-decoration: none;
    color: #fff;
    padding: 17px 0px 17px 45px;
    display: block;
    height: 100%;
    box-sizing: border-box;
}
ul.menu .list a:hover {
    background-color: #999999;
    transition: 300ms all;
    color: #09fbd2;
}
ul.menu .list .items {
    height: 0px;
    overflow: hidden;
}
ul.menu .list .items a {
    padding: 17px;
}
ul.menu .list .items a:hover {
    background-color: #999999;
    color: #fff;
    transition: 300ms all;
}
ul.menu .list:last-child {
    border-bottom: none;
}
ul.menu .active:after {
    content: "\f106";
    font-family: FontAwesome;
    position: absolute;
    right: 17px;
    top: 17px;
    padding: 0px 5px;
    color: #fff;
}
ul.menu .active:before {
    content: '\f07c';
    font-family: FontAwesome;
    position: absolute;
    left: 17px;
    top: 17px;
    padding: 0px 5px;
    color: #fff;
}
ul.menu .active > .items {
    display: block;
    background: #999999;
    padding: 0px;
    height: auto;
    color: #fff;
    transition-timing-function: cubic-bezier(0.075, 0.82, 0.165, 1);
    transition: all 200ms;
    clear: both;
    float: left;
    width: 100%;
}
ul.menu .active > .items li {
    padding: 0px;
    border-bottom: 1px solid #999999;
    list-style: none;
}
ul.menu .active > .items li:last-child {
    border-color: transparent;
    padding-bottom: 0px;
}
ul.menu .active > .items .active > .items {
    background-color: #2f4b67;
}
ul.menu .active > a {
    color: #46efa4;
    text-transform: uppercase;
    font-weight: bold;
}
ul.menu .active .list {
    background: #697d92;
}
ul.menu .active .list a {
    padding: 17px 0px 17px 45px;
}